Rengas has a heartwood that is a deep red color with darker streaks. The sapwood is a lighter pinkish-brown to almost white color. The heartwood will darken in color with exposure to light. The grain is straight or slightly irregular and it has a fine to medium texture. The end grain is diffuse-porous. Rengas is rated as moderately durable in regards to decay. It is fairly easy to work with but can severely dull cutting tools. The wood glues and finishes well.